Support leg



FIG. 1 is a top, right, and rear perspective view of a support leg showing our new design;

FIG. 2 is a bottom, right, and front perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a top plan view thereof.

The dashed broken lines in the Figures show unclaimed portions of the support leg. 

CLAIM The ornamental design for a support leg, as shown and described. 